2567824

Information

• Patent Grant
• 2567824

• References
• Source

• Patent Number

  2,567,824

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1951
  73 years ago

• CPC

  • H04B3/11 - using pilot wire

• US Classifications

  • 333 - Wave transmission lines and networks
  • 330 - Amplifiers
  • 379 - Telephonic communications